Cited 42 time in webofscience Cited 41 time in scopus

Enhanced light harvesting in bulk heterojunction photovoltaic devices with shape-controlled Ag nanomaterials: Ag nanoparticles versus Ag nanoplates

Title
Enhanced light harvesting in bulk heterojunction photovoltaic devices with shape-controlled Ag nanomaterials: Ag nanoparticles versus Ag nanoplates
Authors
Wang, DH[Wang, Dong Hwan]Kim, JK[Kim, Jung Kyu]Lim, GH[Lim, Guh-Hwan]Park, KH[Park, Keum Hwan]Park, OO[Park, O. Ok]Lim, B[Lim, Byungkwon]Park, JH[Park, Jong Hyeok]
DGIST Authors
Park, OO[Park, O. Ok]
Issue Date
2012
Citation
RSC Advances, 2(18), 7268-7272
Type
Article
Article Type
Article
Keywords
Ag NanoparticleBenzothiadiazolesBlend RatiosBlendingBulk-Heterojunction DevicesBulk-Heterojunction Photovoltaic DevicesButyric AcidCell PerformanceConversion EfficiencyEsterificationEstersHeterojunctionsLight-HarvestingLocalized Surface PlasmonMethyl EstersNano-PlatesNanoparticlesOptical Path LengthsOptimizationPoly(3-Hexylthiophene)Polycyclic Aromatic HydrocarbonsPower Conversion EfficienciesShape-ControlledSilverSize and Shape
ISSN
2046-2069
Abstract
Enhanced power conversion efficiency (PCE(%)) with improved optical path length from two types of shape controlled silver (Ag) materials (Ag nanoplates versus Ag nanoparticles (NPs)) was studied in poly(3-hexylthiophene) (P3HT)/[6,6]-phenyl C 71 butyric acid methyl-ester (PC 71BM) or poly[N-9′′-hepta-decanyl-2,7-carbazole-alt-5,5-(4′, 7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)] (PCDTBT)/[6,6]-phenyl C 71 butyric acid methyl-ester (PC 71BM) bulk heterojunction (BHJ) devices. The Ag nanoplates and Ag NPs can be synthesized by simple solution polyol chemistry with well defined size and shape. A BHJ with a 0.5 wt% optimized blend ratio of Ag nanoplates shows improved cell performance and photo-current density than a BHJ with Ag NPs owing to the enhanced light absorption with the results of an excitation of localized surface plasmon and efficient light scattering by the Ag nanoplates embedded BHJ film. When the BHJ is combined with the Ag nanoplates at an optimized ratio of 0.5 wt%, the PCE (%) increases from 3.2% to 4.4% in P3HT/PC 71BM, and from 5.9% to 6.6% in PCDTBT/PC 71BM BHJ devices. © 2012 The Royal Society of Chemistry.
URI
http://hdl.handle.net/20.500.11750/3419
DOI
10.1039/c2ra20815f
Publisher
Royal Society of Chemistry
Files:
There are no files associated with this item.
Collection:
Energy Science and EngineeringETC1. Journal Articles


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